/Engine/Plugins/Runtime/nDisplay/Source/DisplayClusterConfigurator/Public/Views/TreeViews/IDisplayClusterConfiguratorTreeItem.h
Return true if this item is a child of the given parent tree item
bool IsChildOfRecursive ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [IDisplayClusterConfiguratorTreeItem](API\Plugins\DisplayClusterConfigurator\Views\TreeViews\IDisplayClusterC-_1) > & InParentTreeItem ) const